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SubjectRe: [PATCH v2 01/10] ARM: NUC900: Add nuc970 machine support
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On 2016年07月12日 00:04, Arnd Bergmann wrote:
> On Sunday, July 10, 2016 3:27:21 PM CEST Wan Zongshun wrote:
>> +ifeq ($(CONFIG_SOC_NUC970),)
>> obj-y := irq.o time.o mfp.o gpio.o clock.o
>> obj-y += clksel.o dev.o cpu.o
>> +endif
>> # W90X900 CPU support files
>
> When mfp.o is disabled like this, I get a link error in two drivers
> using the exported interface:
>
> ERROR: "mfp_set_groupg" [drivers/spi/spi-nuc900.ko] undefined!
> ERROR: "mfp_set_groupi" [drivers/input/keyboard/w90p910_keypad.ko] undefined!

Why remove mfp modules? this multifunction pin driver should be used for
those two drivers, if no mfp_set_groupX, I don't think driver can work.

Now mfp has standard driver subsystem?

>
> Any idea for a better migration strategy?
>
> Arnd
>
>

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